Mycostigma is a genus of fungi in the family Atheliaceae. The genus is monotypic, containing the single species Mycostigma aegeritoides, found in Europe.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0